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What is the effect of adding a strong base to a buffer solution?

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Question: What is the effect of adding a strong base to a buffer solution?

Options:

  1. pH decreases
  2. pH increases
  3. pH remains constant
  4. Buffer capacity increases

Correct Answer: pH increases

Solution: 

Adding a strong base to a buffer solution will increase the pH, but the buffer will resist significant changes in pH due to the presence of the weak acid.

What is the effect of adding a strong base to a buffer solution?

Practice Questions

Q1
What is the effect of adding a strong base to a buffer solution?
  1. pH decreases
  2. pH increases
  3. pH remains constant
  4. Buffer capacity increases

Questions & Step-by-Step Solutions

What is the effect of adding a strong base to a buffer solution?
Correct Answer: pH badh jaata hai, lekin buffer pH mein zyada badlav ko rokta hai.
  • Step 1: Understand what a buffer solution is. A buffer solution is a mixture of a weak acid and its conjugate base that helps maintain a stable pH.
  • Step 2: Know what a strong base is. A strong base is a substance that completely dissociates in water to produce hydroxide ions (OH-).
  • Step 3: When you add a strong base to the buffer, the strong base will react with the weak acid in the buffer solution.
  • Step 4: This reaction reduces the amount of weak acid in the buffer, which can lead to an increase in pH (making the solution more basic).
  • Step 5: However, because the buffer contains both the weak acid and its conjugate base, it can still resist large changes in pH.
  • Step 6: The buffer will absorb some of the added strong base, preventing the pH from rising too much.
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